Esempio n. 1
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  public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    String message = "Hello, World!";

    Font f = new Font("Serif", Font.BOLD, 36);
    g2.setFont(f);

    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D bounds = f.getStringBounds(message, context);

    double x = (getWidth() - bounds.getWidth()) / 2;
    double y = (getHeight() - bounds.getHeight()) / 2;

    double ascent = -bounds.getY();
    double baseY = y + ascent;

    g2.drawString(message, (int) x, (int) baseY);

    g2.setPaint(Color.LIGHT_GRAY);

    g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));
    Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
    g2.draw(rect);
  }
Esempio n. 2
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  /**
   * Compute the bounds of the text, if necessary.
   *
   * @param dc the current DrawContext.
   */
  protected void computeBoundsIfNeeded(DrawContext dc) {
    // Do not compute bounds if they are available. Computing text bounds is expensive, so only do
    // this
    // calculation if necessary.
    if (this.bounds != null) return;

    TextRenderer textRenderer =
        OGLTextRenderer.getOrCreateTextRenderer(dc.getTextRendererCache(), this.getFont());

    int width = 0;
    int maxLineHeight = 0;
    this.lineBounds = new Rectangle2D[this.lines.length];

    for (int i = 0; i < this.lines.length; i++) {
      Rectangle2D lineBounds = textRenderer.getBounds(lines[i]);
      width = (int) Math.max(lineBounds.getWidth(), width);

      double thisLineHeight = Math.abs(lineBounds.getY());
      maxLineHeight = (int) Math.max(thisLineHeight, maxLineHeight);

      this.lineBounds[i] = lineBounds;
    }
    this.lineHeight = maxLineHeight;

    // Compute final height using maxLineHeight and number of lines
    this.bounds =
        new Rectangle(
            this.lines.length,
            maxLineHeight,
            width,
            this.lines.length * maxLineHeight + this.lines.length * this.lineSpacing);
  }
Esempio n. 3
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 private Paint decodeGradient6(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.03f, 0.06f, 0.33f, 0.6f, 0.65f, 0.7f, 0.825f, 0.95f, 0.975f, 1.0f},
       new Color[] {
         color28,
         decodeColor(color28, color29, 0.5f),
         color29,
         decodeColor(color29, color30, 0.5f),
         color30,
         decodeColor(color30, color30, 0.5f),
         color30,
         decodeColor(color30, color31, 0.5f),
         color31,
         decodeColor(color31, color32, 0.5f),
         color32
       });
 }
Esempio n. 4
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  /**
   * Draw labels for picking.
   *
   * @param dc Current draw context.
   * @param pickSupport the PickSupport instance to be used.
   */
  protected void doPick(DrawContext dc, PickSupport pickSupport) {
    GL gl = dc.getGL();

    Angle heading = this.rotation;

    double headingDegrees;
    if (heading != null) headingDegrees = heading.degrees;
    else headingDegrees = 0;

    int x = this.screenPoint.x;
    int y = this.screenPoint.y;

    boolean matrixPushed = false;
    try {
      if (headingDegrees != 0) {
        gl.glPushMatrix();
        matrixPushed = true;

        gl.glTranslated(x, y, 0);
        gl.glRotated(headingDegrees, 0, 0, 1);
        gl.glTranslated(-x, -y, 0);
      }

      for (int i = 0; i < this.lines.length; i++) {
        Rectangle2D bounds = this.lineBounds[i];
        double width = bounds.getWidth();
        double height = bounds.getHeight();

        x = this.screenPoint.x;
        if (this.textAlign.equals(AVKey.CENTER)) x = x - (int) (width / 2.0);
        else if (this.textAlign.equals(AVKey.RIGHT)) x = x - (int) width;
        y -= this.lineHeight;

        Color color = dc.getUniquePickColor();
        int colorCode = color.getRGB();
        PickedObject po = new PickedObject(colorCode, this.getPickedObject(), this.position, false);
        pickSupport.addPickableObject(po);

        // Draw line rectangle
        gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());

        try {
          gl.glBegin(GL.GL_POLYGON);
          gl.glVertex3d(x, y, 0);
          gl.glVertex3d(x + width - 1, y, 0);
          gl.glVertex3d(x + width - 1, y + height - 1, 0);
          gl.glVertex3d(x, y + height - 1, 0);
          gl.glVertex3d(x, y, 0);
        } finally {
          gl.glEnd();
        }

        y -= this.lineSpacing;
      }
    } finally {
      if (matrixPushed) {
        gl.glPopMatrix();
      }
    }
  }
Esempio n. 5
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 private Paint decodeGradient10(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.024f, 0.06f, 0.276f, 0.6f, 0.65f, 0.7f, 0.856f, 0.96f, 0.98f, 1.0f},
       new Color[] {
         (Color) componentColors[0],
         decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
         (Color) componentColors[1],
         decodeColor((Color) componentColors[1], (Color) componentColors[2], 0.5f),
         (Color) componentColors[2],
         decodeColor((Color) componentColors[2], (Color) componentColors[2], 0.5f),
         (Color) componentColors[2],
         decodeColor((Color) componentColors[2], (Color) componentColors[3], 0.5f),
         (Color) componentColors[3],
         decodeColor((Color) componentColors[3], (Color) componentColors[3], 0.5f),
         (Color) componentColors[3]
       });
 }
Esempio n. 6
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  public void paintComponent(Graphics g) {
    // необходиом чтобы текст коректно отрисовывался в окне
    super.paintComponent(g);
    // рисуем текст в окне
    Graphics2D g2 = (Graphics2D) g;
    AffineTransform t = g2.getTransform();
    g.drawString("It is text", 5, 5);
    // создание шрифта
    Font f = new Font("SanasSerif", Font.ITALIC, 20);
    g2.setFont(f);
    g2.drawString("It is new text", 5, 33);
    String[] fontNames =
        GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
    for (int i = 5; i < 20; i++) {
      g2.rotate(-0.05);
      g2.setColor(
          new Color(
              (int) (Math.random() * 255),
              (int) (Math.random() * 255),
              (int) (Math.random() * 255)));
      Font f1 = new Font(fontNames[i], Font.BOLD, 20);
      g2.setFont(f1);
      g2.drawString(fontNames[i], 5, 20 * i);
    }
    // текст в центре

    g2.setTransform(t); // возращение к кординатам, которые запонилив начале
    Font f2 = new Font("SanasSerif", Font.ITALIC, 20);
    g2.setFont(f2);
    String s = "It is center!";
    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D r = f2.getStringBounds(s, context);
    double x1 = (getWidth() - r.getWidth()) / 2;
    double y1 = (getHeight() - r.getHeight()) / 2;
    double ascent = -r.getY(); // узнаем высоту текста
    double y2 = y1 + ascent;
    Rectangle2D rect = new Rectangle2D.Double(x1, y1, r.getWidth(), r.getHeight());
    g2.setColor(Color.YELLOW);
    g2.fill(rect);
    g2.setColor(Color.red);
    g2.drawString(s, (int) x1, (int) y2);
    g2.setColor(Color.blue);
    g2.draw(new Line2D.Double(x1, y2, x1 + r.getWidth(), y2));

    g2.draw(rect);
  }
Esempio n. 7
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 /**
  * Gets the page count of this section.
  *
  * @param g2 the graphics context
  * @param pf the page format
  * @return the number of pages needed
  */
 public int getPageCount(Graphics2D g2, PageFormat pf) {
   if (message.equals("")) return 0;
   FontRenderContext context = g2.getFontRenderContext();
   Font f = new Font("Serif", Font.PLAIN, 72);
   Rectangle2D bounds = f.getStringBounds(message, context);
   scale = pf.getImageableHeight() / bounds.getHeight();
   double width = scale * bounds.getWidth();
   int pages = (int) Math.ceil(width / pf.getImageableWidth());
   return pages;
 }
Esempio n. 8
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 public float getPreferredSpan(int axis) {
   switch (axis) {
     case View.X_AXIS:
       return (float) bounds.getWidth();
     case View.Y_AXIS:
       return (float) bounds.getHeight();
     default:
       throw new IllegalArgumentException("Invalid axis: " + axis);
   }
 }
Esempio n. 9
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  protected void drawMultiLineText(TextRenderer textRenderer, int x, int y) {
    if (this.lines == null) {
      String msg = Logging.getMessage("nullValue.StringIsNull");
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    for (int i = 0; i < this.lines.length; i++) {
      String line = this.lines[i];
      Rectangle2D bounds = this.lineBounds[i];

      int xAligned = x;
      if (this.textAlign.equals(AVKey.CENTER)) xAligned = x - (int) (bounds.getWidth() / 2);
      else if (this.textAlign.equals(AVKey.RIGHT)) xAligned = x - (int) (bounds.getWidth());

      y -= this.lineHeight;
      textRenderer.draw3D(line, xAligned, y, 0, 1);
      y -= this.lineSpacing;
    }
  }
Esempio n. 10
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  public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    String message = "Hello, World!";

    Font f = new Font("Serif", Font.BOLD, 36);
    g2.setFont(f);

    // measure the size of the message

    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D bounds = f.getStringBounds(message, context);

    // set (x,y) = top left corner of text

    double x = (getWidth() - bounds.getWidth()) / 2;
    double y = (getHeight() - bounds.getHeight()) / 2;

    // add ascent to y to reach the baseline

    double ascent = -bounds.getY();
    double baseY = y + ascent;

    // draw the message

    g2.drawString(message, (int) x, (int) baseY);

    g2.setPaint(Color.LIGHT_GRAY);

    // draw the baseline

    g2.draw(new Line2D.Double(x, baseY, x + bounds.getWidth(), baseY));

    // draw the enclosing rectangle

    Rectangle2D rect = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
    g2.draw(rect);
  }
 private Paint decodeGradient10(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.24868421f * w) + x,
       (0.0014705883f * h) + y,
       (0.24868421f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.5f, 1.0f},
       new Color[] {color48, decodeColor(color48, color49, 0.5f), color49});
 }
 private Paint decodeGradient2(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.5f, 1.0f},
       new Color[] {color3, decodeColor(color3, color2, 0.5f), color2});
 }
 private Paint decodeGradient13(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.26047903f, 0.6302395f, 1.0f},
       new Color[] {color62, decodeColor(color62, color63, 0.5f), color63});
 }
Esempio n. 14
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 private Paint decodeGradient9(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.09f, 0.52f, 0.95f},
       new Color[] {color39, decodeColor(color39, color40, 0.5f), color40});
 }
 private Paint decodeGradient4(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.1684492f, 1.0f},
       new Color[] {color10, decodeColor(color10, color11, 0.5f), color11});
 }
 private Paint decodeGradient3(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.0f, 0.49573863f, 0.99147725f},
       new Color[] {color8, decodeColor(color8, color9, 0.5f), color9});
 }
 private Paint decodeGradient5(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.1f, 0.49999997f, 0.9f},
       new Color[] {color7, decodeColor(color7, color8, 0.5f), color8});
 }
Esempio n. 18
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 /** @see prefuse.render.Renderer#setBounds(prefuse.visual.VisualItem) */
 @Override
 public void setBounds(VisualItem item) {
   if (!m_manageBounds) {
     return;
   }
   Shape shape = getShape(item);
   if (shape == null) {
     item.setBounds(item.getX(), item.getY(), 0, 0);
   } else if (shape == m_line) {
     GraphicsLib.setBounds(item, shape, getStroke(item));
   } else {
     m_box.add(m_line.getX1(), m_line.getY1());
     m_box.add(m_line.getX2(), m_line.getY2());
     item.setBounds(m_box.getMinX(), m_box.getMinY(), m_box.getWidth(), m_box.getHeight());
   }
 }
Esempio n. 19
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 protected void drawText(Graphics2D g2) {
   // Find the bounds of the entire string.
   FontRenderContext frc = g2.getFontRenderContext();
   mLayout = new TextLayout(mMessage, mFont, frc);
   // Find the dimensions of this component.
   int width = getSize().width;
   int height = getSize().height;
   // Place the first full string, horizontally centered,
   //   at the bottom of the component.
   Rectangle2D bounds = mLayout.getBounds();
   double x = (width - bounds.getWidth()) / 2;
   double y = height - bounds.getHeight();
   drawString(g2, x, y, 0);
   // Now draw a second version, anchored to the right side
   //   of the component and rotated by -PI / 2.
   drawString(g2, width - bounds.getHeight(), y, -Math.PI / 2);
 }
Esempio n. 20
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  // Draw the scale label
  private void drawLabel(DrawContext dc, String text, Vec4 screenPoint) {
    TextRenderer textRenderer =
        OGLTextRenderer.getOrCreateTextRenderer(dc.getTextRendererCache(), this.defaultFont);

    Rectangle2D nameBound = textRenderer.getBounds(text);
    int x = (int) (screenPoint.x() - nameBound.getWidth() / 2d);
    int y = (int) screenPoint.y();

    textRenderer.begin3DRendering();

    textRenderer.setColor(this.getBackgroundColor(this.color));
    textRenderer.draw(text, x + 1, y - 1);
    textRenderer.setColor(this.color);
    textRenderer.draw(text, x, y);

    textRenderer.end3DRendering();
  }
 private Paint decodeGradient4(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.5f * w) + x,
       (0.0f * h) + y,
       (0.5f * w) + x,
       (1.0f * h) + y,
       new float[] {0.1f, 0.49999997f, 0.9f},
       new Color[] {
         (Color) componentColors[0],
         decodeColor((Color) componentColors[0], (Color) componentColors[1], 0.5f),
         (Color) componentColors[1]
       });
 }
Esempio n. 22
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 @Override
 public Rectangle2D.Double getDrawingArea() {
   if (cachedDrawingArea == null) {
     Rectangle2D rx = getBounds();
     Rectangle2D.Double r =
         (rx instanceof Rectangle2D.Double)
             ? (Rectangle2D.Double) rx
             : new Rectangle2D.Double(rx.getX(), rx.getY(), rx.getWidth(), rx.getHeight());
     double g = SVGAttributeKeys.getPerpendicularHitGrowth(this);
     Geom.grow(r, g, g);
     if (TRANSFORM.get(this) == null) {
       cachedDrawingArea = r;
     } else {
       cachedDrawingArea = new Rectangle2D.Double();
       cachedDrawingArea.setRect(TRANSFORM.get(this).createTransformedShape(r).getBounds2D());
     }
   }
   return (Rectangle2D.Double) cachedDrawingArea.clone();
 }
 private Paint decodeGradient15(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.66659296f, 0.79341316f, 0.8967066f, 1.0f},
       new Color[] {
         color37,
         decodeColor(color37, color38, 0.5f),
         color38,
         decodeColor(color38, color39, 0.5f),
         color39,
         decodeColor(color39, color70, 0.5f),
         color70
       });
 }
 private Paint decodeGradient12(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6082097f, 0.6766467f, 0.83832335f, 1.0f},
       new Color[] {
         color3,
         decodeColor(color3, color59, 0.5f),
         color59,
         decodeColor(color59, color60, 0.5f),
         color60,
         decodeColor(color60, color2, 0.5f),
         color2
       });
 }
 private Paint decodeGradient16(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.6291678f, 0.7185629f, 0.8592814f, 1.0f},
       new Color[] {
         color50,
         decodeColor(color50, color52, 0.5f),
         color52,
         decodeColor(color52, color52, 0.5f),
         color52,
         decodeColor(color52, color53, 0.5f),
         color53
       });
 }
 private Paint decodeGradient9(Shape s) {
   Rectangle2D bounds = s.getBounds2D();
   float x = (float) bounds.getX();
   float y = (float) bounds.getY();
   float w = (float) bounds.getWidth();
   float h = (float) bounds.getHeight();
   return decodeGradient(
       (0.25f * w) + x,
       (0.0f * h) + y,
       (0.25441176f * w) + x,
       (1.0016667f * h) + y,
       new float[] {0.0f, 0.26988637f, 0.53977275f, 0.5951705f, 0.6505682f, 0.8252841f, 1.0f},
       new Color[] {
         color37,
         decodeColor(color37, color38, 0.5f),
         color38,
         decodeColor(color38, color39, 0.5f),
         color39,
         decodeColor(color39, color18, 0.5f),
         color18
       });
 }
Esempio n. 27
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 /** Gets the drawing area without taking the decorator into account. */
 @Override
 protected Rectangle2D.Double getFigureDrawingArea() {
   if (getText() == null) {
     return getBounds();
   } else {
     TextLayout layout = getTextLayout();
     Rectangle2D.Double r =
         new Rectangle2D.Double(origin.x, origin.y, layout.getAdvance(), layout.getAscent());
     Rectangle2D lBounds = layout.getBounds();
     if (!lBounds.isEmpty() && !Double.isNaN(lBounds.getX())) {
       r.add(
           new Rectangle2D.Double(
               lBounds.getX() + origin.x,
               (lBounds.getY() + origin.y + layout.getAscent()),
               lBounds.getWidth(),
               lBounds.getHeight()));
     }
     // grow by two pixels to take antialiasing into account
     Geom.grow(r, 2d, 2d);
     return r;
   }
 }
Esempio n. 28
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  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2 = (Graphics2D) g.create();
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.translate(x, y);

    g2.setStroke(new BasicStroke(BORDER_WIDTH));
    g2.setPaint(LINE_COLOR);
    g2.draw(BORDER);

    g2.setStroke(new BasicStroke(SLIT_WIDTH));
    g2.setColor(UIManager.getColor("Panel.background"));

    int n = SLIT_NUM + 1;
    int v = ICON_SIZE / n;
    int m = n * v;
    for (int i = 1; i < n; i++) {
      int a = i * v;
      g2.drawLine(a, 0, a, m);
      g2.drawLine(0, a, m, a);
    }

    // g2.drawLine(1 * v, 0 * v, 1 * v, 4 * v);
    // g2.drawLine(2 * v, 0 * v, 2 * v, 4 * v);
    // g2.drawLine(3 * v, 0 * v, 3 * v, 4 * v);
    // g2.drawLine(0 * v, 1 * v, 4 * v, 1 * v);
    // g2.drawLine(0 * v, 2 * v, 4 * v, 2 * v);
    // g2.drawLine(0 * v, 3 * v, 4 * v, 3 * v);

    g2.setPaint(LINE_COLOR);
    Rectangle2D b = ARROW.getBounds();
    Point2D p = new Point2D.Double(b.getX() + b.getWidth() / 2d, b.getY() + b.getHeight() / 2d);
    AffineTransform toCenterAT =
        AffineTransform.getTranslateInstance(ICON_SIZE / 2d - p.getX(), ICON_SIZE / 2d - p.getY());
    g2.fill(toCenterAT.createTransformedShape(ARROW));
    g2.dispose();
  }
  public void paintValue(Graphics g, Rectangle box) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(
        RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    double[] values = (double[]) getValue();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 3; i++) {
      if (values.length > i) s.append(values[i]);
      if (values.length > i + 1) s.append(", ");
    }
    if (values.length > 3) s.append("...");

    g2.setPaint(Color.white);
    g2.fill(box);
    g2.setPaint(Color.black);
    FontRenderContext context = g2.getFontRenderContext();
    Rectangle2D stringBounds = g2.getFont().getStringBounds(s.toString(), context);
    double w = stringBounds.getWidth();
    double x = box.x;
    if (w < box.width) x += (box.width - w) / 2;
    double ascent = -stringBounds.getY();
    double y = box.y + (box.height - stringBounds.getHeight()) / 2 + ascent;
    g2.drawString(s.toString(), (float) x, (float) y);
  }
Esempio n. 30
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 public void draw(
     Graphics2D g,
     Color stringColor,
     Color foreground,
     Color background,
     String info,
     double x,
     double y) {
   FontMetrics fm = g.getFontMetrics();
   int h = fm.getHeight();
   int w = fm.stringWidth(info);
   r1.setRect(
       x - w / 2 - in.left, y - in.top - h / 2, w + in.right + in.left, h + in.bottom + in.top);
   g.setColor(background);
   g.fill(r1);
   g.setColor(stringColor);
   g.draw(r1);
   g.setColor(foreground);
   r2.setRect(r1.getX() + 1, r1.getY() + 1, r1.getWidth() - 2, r1.getHeight() - 2);
   g.draw(r2);
   g.setColor(stringColor);
   g.drawString(
       info, (float) (r2.getX() + in.left), (float) (r2.getY() + h - (r2.getHeight() - h) / 2));
 }